Finding the Third Proportional to 294,178 and 635,003

Step by Step Solution

1. Step 1: Write the proportion equation
   294,178 : 635,003 = 635,003 : x
2. Step 2: Convert to fraction form
   294,178/635,003 = 635,003/x
3. Step 3: Cross multiply
   294,178x = 635,003 × 635,003
4. Step 4: Simplify right side
   294,178x = 403,228,810,009
5. Step 5: Solve for x
   x = 403,228,810,009/294,178
6. Step 6: Final answer
   x = 1,370,696.69